Gamble on this computer stopping idleness in Spain

I believe the answer is:

slotmachine

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'gamble on this computer stopping idleness in spain' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'computer stopping idleness in spain' is the wordplay.
'computer' becomes 'mac' (as in an Apple Mac).
'stopping' indicates putting letters inside (stopping can mean blocking a gap).
'idleness' becomes 'sloth' (I've seen this before).
'spain' becomes 'e' (abbreviation for Espana).
'mac' inserted inside 'sloth' is 'slotmach'.
'slotmach'+'in'+'e'='SLOT-MACHINE'

Can you help me to learn more?

I've seen this clue in The Daily Mail.

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